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Finding the Fourth Proportional to 261,256.74, 360,610.83 and 170,626.79

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Solution

The fourth proportional to 261,256.74, 360,610.83 and 170,626.79 is: 235,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,256.74 : 360,610.83 = 170,626.79 : x
  2. Step 2: Convert to fraction form
    261,256.74/360,610.83 = 170,626.79/x
  3. Step 3: Cross multiply
    261,256.74x = 360,610.83 × 170,626.79
  4. Step 4: Simplify right side
    261,256.74x = 61,529,866,559.08
  5. Step 5: Solve for x
    x = 61,529,866,559.08/261,256.74
  6. Step 6: Final answer
    x = 235,514.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.